SKY C B
11
EN
cod. 3541C702 - Rev. 01 - 06/2014
4.3 Maintenance
Opening the casing
To open the water heater casing:
1.
Undo the two screws A (see fig. 11).
2.
Turn the casing.
3.
Lift and remove the casing.
B
Close the gas cock upstream before carrying out any operation inside the water
heater
fig. 11 - Opening the casing
Replacing batteries
To replace the batteries, proceed as described in fig. 12.
fig. 12 - Replacing batteries
Periodical inspection
To ensure proper operation of the unit over time, have qualified personnel carry out a
yearly inspection, providing for the following checks:
•
The control and safety devices must work properly.
•
The fume exhaust circuit must be perfectly efficient.
•
The fume ducts and terminal must be free of any obstacles and leaks
•
The burner and exchanger must be clean and free of deposits. For possible clean-
ing, do not use chemical products or wire brushes.
•
The electrodes must be free of deposits and correctly positioned.
fig. 13 - Electrode positioning
•
The gas and water systems must be tight.
•
The gas flow and pressure must match that given in the respective tables.
5. TECHNICAL DATA AND CHARACTERISTICS
Table. 3 - Key of figures cap. 5
5.1 General view and main components
fig. 14 - General view
A
A
1
3
2
3
±
0,5
=
=
7
Gas inlet
78
Anti-backflow device
8
Domestic hot water outlet
82
Detection electrode
9
Cold water inlet
83
Electronic controller
19
Combustion chamber
126
Contact fume thermostat
20
Burner assembly
188
Ignition electrode
27
Copper exchanger
358
DHW inlet Solar thermostat
42
DHW temperature sensor
359
Flow switch
44
Gas valve
372
Battery
49
Safety thermostat
78
27
188
82
20
49
126
8
7
9
44
42
19
358
